Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kawada Masatake and Kawasaki Zen-Ichiro and Matsu-ura Kenji and Musashiya Toshio and Otoba Katsunori and Kuroki Satoru and Moriyama Takashi,Development of a New System for Detecting Microwave Associated with a Partial Discharge of the Stator Coil in Generator Using Spatial Phase Difference Method,IEEJ Transactions on Power and Energy,03854213,The Institute of Electrical Engineers of Japan,1997,117,2,224-232,https://cir.nii.ac.jp/crid/1390001204605750400,https://doi.org/10.1541/ieejpes1990.117.2_224